If `y=tan^-1(1/(cos^2x+cosx+1))+tan^-1(1/(cos^2x+3cosx+3))+...` upto n terms then `y'(0)`=

If y = "Tan"^(-1)((1)/(cos^2 x + cos x + 1)) + "Tan"^(-1)(1/(cos^2x + 3 cos x + 3))+ ….upto n term then f^(1)(0) =

If Y = "tan"^(-1)((1)/(1 + x + x^2)) + "tan"^(-1) (1/(x^2 + 3x + 3)) + "tan"^(-1)(1/(x^2 + 5x + 7)) + ….+ upto n term then y^1(0) =

If y = tan^(-1)(1/(1+x+x^2)) + tan^(-1)(1/(x^2+3x+3)) + tan^(-1)(1/(x^2+5x+7))+ …….. Up to n terms then find y'(0).

If y = tan^(-1) ((1)/(1 + x + x^(2))) + tan^(-1) ((1) /(x^(2) + 2x + 3)) + tan^(-1) ((1)/(x^(2) + 5x + 7)) + ….n terms , then y(0) is

If y=tan^(-1)(1/(1+x+x^2))+tan^(-1)(1/(x^2+3x+3))+tan^(-1)(1/(x^2+5x+7))+ ....+ upto n terms, then find the value of y^(prime)(0)dot

If y=tan^(-1)(1/(x^2+x+1))+tan^(-1)(1/(x^2+3x+3))+tan^(-1)(1/(x^2+5x+7)) + ..... to n terms, show that (dy)/(dx)=1/((x+n)^2+1)-1/(x^2+1)

If y=tan^(-1)(1/(1+x+x^2))+tan^(-1)(1/(x^2+3x+3))+tan^(-1)(1/(x^2+5x+7))+...+ upto n terms, then find the value of y^(prime)(0)